dev/an/if_an.c

3580 flashgchar(struct ifnet *ifp, int matchbyte, int dwelltime)
3591 		if (dwelltime && !(0x8000 & rchar)) {
3592 			dwelltime -= 10;
3607 	} while (dwelltime > 0);
3612  * Put character to SWS0 wait for dwelltime x 50us for  echo .
3616 flashpchar(struct ifnet *ifp, int byte, int dwelltime)
3624 	if (dwelltime == 0)
3625 		dwelltime = 200;
3627 	waittime = dwelltime;
3656 		dwelltime -= 50;
3658 	} while (dwelltime >= 0 && echo != byte);